Ball-bearing.



v I No. 895,901. PATBNTED AUG. 11, 1908. N. N. SHAIDUROEF.

BALL BEARING. APPLICATION FILED APR. 4, 1907.

H 5 13 1M If 5 613 12V W I W f I Q \g x 1 9 I No. 896,901.

V indicates a shaft or axle, I, bicycle, automobile or any other machinethe shaft in such a manner that UNITED stra ns PATENT orrron.

NICOLAS N. SHAIDUROFF, OF NEW YORK, N. Y.

BALL-BEARING.

Specification of Letters Patent.

. Patented Aug. '11, 1908.

Application filed April 4, 1907. Serial No. 866,415-

To all whom it may concern." I Be it known that I, NICOLAS N. SHAIDU-ROFF, a citizenof the Russian Empire, and

resident of New York, in the county of New York and State of New York,have invented certain new and useful Im rovemen s'in Ball- Bearings, ofwhich the f0 lowing is-a specification.

The present invention relatesto ball bearings and has for its object toprovide anorganization of parts in which the friction of thebearingelements is decreased considerably below the amount of friction.which usually exists in devices ofthis general character heretoforeknown. This result is. obtained by arranging the usual bearing ballsbe-" tween the ball seat of the hub and thatof tion and Figures 1, 2,and'5of the same are vertlc'al cross sections in the axisof the shaftand Figs. 3, 4, 6 and 7 similar views ofthe bearing rings preferablyemployed therein.

The reference numeral for instance of a in which rotatable members areemployed.

The device illustrated in Fig.1 em loys a loose bearing ring 12. A ballcup '10, aving an .internal ball seat is connected to the shaft '1, anda bearing member 11', also having an internal ball seat, is connected tothe hub 3. The bearing ring 12, looselymountto 13, the bearingtransmitted by the up er ed on the shaft 1, is located between the.bearin members 10 and ll and has exter-' nal bal seats. A pair of setsof bearin balls Band 14 are held, respectively, by the bearing members10 and 11 and the bearing ring 12. The pressure upon the shaft is partof the bearing plate 10 to the upper caring balls of the set ring 12,the lower'bearing 1 in all the figures balls of the set 14, the bearingplate 11 and .t0 the hub 3;

In'Fi 2 an entire hub of an automobile or bicyc e is shown and thesleeve 15, secured to the shaft 1 is provided with bearing members,having internal ball seats; in a similar manner the bearing members 16,secured to the hub 3 are rovided with internal ball seats while theearingrings 12, located between'the bearing members and being ofsymmetrical cross section, have external ball -seats.. Pressure exertedupon the shaft 1 is transmitted to the'hub' and wheel in the manneralready indicated.

, If it should be desired, another form of a ball bearing, embodying thesame general principle may beemployed'and the same is l lustrated inFig. 5 IInIthis case the hearing member 17 of the shaft 1, and thebearing member 18' of the hub, are rovided with external ball seats,while the l ring 19 being of symmetrical cross section has internal ballseats. A dust guard 20 prevents dust, grit, et c. to enter. into the Icaring. The loose bearing rings 1.2 and 19 may have concaved ball seatsor straight ball seats, as indicated in Figs. 3 and '7, or

.Figs; 4 and 6, respectively, and any number of such loose bearlng ringsmay be employed in a single bearing.

As new and useful is claimed and desired go be secured by Letters Patentof the United tates oose bearing 1. The combination with a hub, of abearing member secured thereto and having an internal concaved ballseat, a shaft, a bearing member directly secured thereto and having aninternal concaved ball seat,

loosely mounted on said shaft between said bearing members and having anexternal annular ball seat on each side, and a pair-of sets of bearingballs contacting, respectively, with the ball seats of the bearing ringand the ball seats of the corresponding bearing members.

ing member secured thereto and having a ball seat, a shaft, a bearingmember directl secured thereto and having a similar ball seat, a bearingring of symmetrical cross seca-bearing ring e5 2. The combination withahub, of a beartion loosely mounted on said shaft between scribingwitnesses, at. New 'York, in the said bearing members and having anannular county of New York and State of New York, 10 ball seat on eachside, and a'pair of sets of this 22nd day'of March, 1907.

bearing balls. contacting, respectively, with T '5 the ball seats of thebearing ring and the ball NLCOLAS SHAIDUROFF' seats ofthe correspondingbearing members. In presence 'of- In witness whereof the inventor hashere- VLADIMIR F. GNESIN,

unto set his hand in the presence of two sub- RALPH J SAOHERS.

